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Finding the Fourth Proportional to 234,153.54, 323,099.16 and 130,788.90

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Solution

The fourth proportional to 234,153.54, 323,099.16 and 130,788.90 is: 180,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,153.54 : 323,099.16 = 130,788.90 : x
  2. Step 2: Convert to fraction form
    234,153.54/323,099.16 = 130,788.90/x
  3. Step 3: Cross multiply
    234,153.54x = 323,099.16 × 130,788.90
  4. Step 4: Simplify right side
    234,153.54x = 42,257,783,727.32
  5. Step 5: Solve for x
    x = 42,257,783,727.32/234,153.54
  6. Step 6: Final answer
    x = 180,470.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.